What is the most effective method of degassing samples that contain water molecules in their crystal latice (not adsorbed water)?

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Mercury Porosimetry

Required Purity of Mercury

What purity of mercury is required for the mercury porosimeters?

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Physical Adsorption

Micropore definition

What size range defines a micropore?

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Mercury Porosimetry

Extrusion curve dropping below intrusion curve

What would cause the extrusion curve near maximum pressure on a mercury porosimetry analysis to drop below the intrusion curve?

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Chemical Adsorption

Pulse chemisorption peaks

When examining the results of a pulse chemisorption analysis provided by your MAL, I noticed that the last three peaks are exactly the same size. Previous peaks differ in size. Why do these peaks appear to be identical? Did the gas bypass the sample?

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Chemical Adsorption

Repeat analyses

Why is a repeat analysis necessary when doing a chemisorption analysis?